From: Janusz Dobrowolski <janusz@frontaccouting.eu>
Date: Thu, 6 Sep 2012 17:27:44 +0000 (+0200)
Subject: Improved error handling in printer class.
X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=commitdiff_plain;h=a9b90cd60d98e462a853faf8acd29b0340b6c98e;p=textcart.git

Improved error handling in printer class.
---

diff --git a/includes/remote_url.inc b/includes/remote_url.inc
index fb0c134..186b4f9 100644
--- a/includes/remote_url.inc
+++ b/includes/remote_url.inc
@@ -60,11 +60,13 @@ function url_get_contents($url, $timeout=10)
 			"Referer: http://$host\r\n\r\n");
 
 		// retrieve the response from the remote server
-		$len =0;
+		$unblocked=0;
+
 		while ($line = fread($fp, 4096)) {
 			$response .= $line;
-			if ($host=='localhost')
+			if ($host=='localhost' && !$unblocked++)
 				stream_set_blocking($fp, 0); // just after connection switch to nonblocking mode
+			usleep(10);
 		}
 		fclose( $fp );
 
diff --git a/reporting/includes/printer_class.inc b/reporting/includes/printer_class.inc
index 1b5a14e..93bf06a 100644
--- a/reporting/includes/printer_class.inc
+++ b/reporting/includes/printer_class.inc
@@ -34,9 +34,9 @@ class remote_printer {
 //		if($ret) return $ret;
 
         //Open a new connection to send the control file and data.
-		$stream = fsockopen("tcp://".$this->host, $this->port, $errNo, $errStr, $this->timeout);
+		$stream = @fsockopen("tcp://".$this->host, $this->port, $errNo, $errStr, $this->timeout);
         if(!$stream){
-            return _('Cannot open connection to printer');
+            return _('Cannot open connection to printer').":<br>$errStr";
         }
 		if (!isset($_SESSION['_print_job'])) {
 			$_SESSION['print_job'] = 0;
@@ -95,9 +95,9 @@ class remote_printer {
 	//	Print all waiting jobs on remote printer queue.
 	//
     function flush_queue($queue){
-		$stream = fsockopen("tcp://".$this->host, $this->port,$errNo, $errStr, $this->timeout);
+		$stream = @fsockopen("tcp://".$this->host, $this->port,$errNo, $errStr, $this->timeout);
         if (!$stream){
-            return _('Cannot flush printing queue');
+            return _('Cannot flush printing queue').":<br>$errStr";
 			// .':<br>' . $errNo." (".$errStr.")"; return 0 (success) even on failure
         } else {
             //Print any waiting jobs